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diffraction grating
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【化】 衍射光栅\n【医】 衍射[光]栅, 绕射[光]栅
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详细解释：
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以下为句子列表：
英文: And when observers take a spectrum of the galaxy, the diffraction grating of the spectrograph disperses the light over a large area on the detector, rendering the signal even fainter at each wavelength.
中文: 而当观测者撷取星系光谱时，光谱仪的绕射光栅会把光分散到侦测器上一个很大的範围，导致每个波长上的讯号更加微弱。
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英文: The sources of error in the experiment of measuring wavelength and grating constant with diffraction grating are analysed. The improving method and theory base are also provided.
中文: 摘要分析了用透射光栅测波长和光栅常量的实验中，某些因素对测量结果精确度的影响，并提出了提高测量精确度的方法和依据。
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英文: When polychromatic light reflects from or passes through a diffraction grating it is dispersed into many rays, each of a single wavelength or color.
中文: 当多色光从衍射光栅反射或穿过衍射光栅时，就会分成多种发射光线，每一种都有各自的波长或颜色。
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